Lines Matching refs:dc
335 struct nozomi *dc; member
492 static void nozomi_setup_memory(struct nozomi *dc) in nozomi_setup_memory() argument
494 void __iomem *offset = dc->base_addr + dc->config_table.dl_start; in nozomi_setup_memory()
501 dc->port[PORT_MDM].dl_addr[CH_A] = offset; in nozomi_setup_memory()
502 dc->port[PORT_MDM].dl_addr[CH_B] = in nozomi_setup_memory()
503 (offset += dc->config_table.dl_mdm_len1); in nozomi_setup_memory()
504 dc->port[PORT_MDM].dl_size[CH_A] = in nozomi_setup_memory()
505 dc->config_table.dl_mdm_len1 - buff_offset; in nozomi_setup_memory()
506 dc->port[PORT_MDM].dl_size[CH_B] = in nozomi_setup_memory()
507 dc->config_table.dl_mdm_len2 - buff_offset; in nozomi_setup_memory()
510 dc->port[PORT_DIAG].dl_addr[CH_A] = in nozomi_setup_memory()
511 (offset += dc->config_table.dl_mdm_len2); in nozomi_setup_memory()
512 dc->port[PORT_DIAG].dl_size[CH_A] = in nozomi_setup_memory()
513 dc->config_table.dl_diag_len1 - buff_offset; in nozomi_setup_memory()
514 dc->port[PORT_DIAG].dl_addr[CH_B] = in nozomi_setup_memory()
515 (offset += dc->config_table.dl_diag_len1); in nozomi_setup_memory()
516 dc->port[PORT_DIAG].dl_size[CH_B] = in nozomi_setup_memory()
517 dc->config_table.dl_diag_len2 - buff_offset; in nozomi_setup_memory()
520 dc->port[PORT_APP1].dl_addr[CH_A] = in nozomi_setup_memory()
521 (offset += dc->config_table.dl_diag_len2); in nozomi_setup_memory()
522 dc->port[PORT_APP1].dl_size[CH_A] = in nozomi_setup_memory()
523 dc->config_table.dl_app1_len - buff_offset; in nozomi_setup_memory()
526 dc->port[PORT_APP2].dl_addr[CH_A] = in nozomi_setup_memory()
527 (offset += dc->config_table.dl_app1_len); in nozomi_setup_memory()
528 dc->port[PORT_APP2].dl_size[CH_A] = in nozomi_setup_memory()
529 dc->config_table.dl_app2_len - buff_offset; in nozomi_setup_memory()
532 dc->port[PORT_CTRL].dl_addr[CH_A] = in nozomi_setup_memory()
533 (offset += dc->config_table.dl_app2_len); in nozomi_setup_memory()
534 dc->port[PORT_CTRL].dl_size[CH_A] = in nozomi_setup_memory()
535 dc->config_table.dl_ctrl_len - buff_offset; in nozomi_setup_memory()
537 offset = dc->base_addr + dc->config_table.ul_start; in nozomi_setup_memory()
540 dc->port[PORT_MDM].ul_addr[CH_A] = offset; in nozomi_setup_memory()
541 dc->port[PORT_MDM].ul_size[CH_A] = in nozomi_setup_memory()
542 dc->config_table.ul_mdm_len1 - buff_offset; in nozomi_setup_memory()
543 dc->port[PORT_MDM].ul_addr[CH_B] = in nozomi_setup_memory()
544 (offset += dc->config_table.ul_mdm_len1); in nozomi_setup_memory()
545 dc->port[PORT_MDM].ul_size[CH_B] = in nozomi_setup_memory()
546 dc->config_table.ul_mdm_len2 - buff_offset; in nozomi_setup_memory()
549 dc->port[PORT_DIAG].ul_addr[CH_A] = in nozomi_setup_memory()
550 (offset += dc->config_table.ul_mdm_len2); in nozomi_setup_memory()
551 dc->port[PORT_DIAG].ul_size[CH_A] = in nozomi_setup_memory()
552 dc->config_table.ul_diag_len - buff_offset; in nozomi_setup_memory()
555 dc->port[PORT_APP1].ul_addr[CH_A] = in nozomi_setup_memory()
556 (offset += dc->config_table.ul_diag_len); in nozomi_setup_memory()
557 dc->port[PORT_APP1].ul_size[CH_A] = in nozomi_setup_memory()
558 dc->config_table.ul_app1_len - buff_offset; in nozomi_setup_memory()
561 dc->port[PORT_APP2].ul_addr[CH_A] = in nozomi_setup_memory()
562 (offset += dc->config_table.ul_app1_len); in nozomi_setup_memory()
563 dc->port[PORT_APP2].ul_size[CH_A] = in nozomi_setup_memory()
564 dc->config_table.ul_app2_len - buff_offset; in nozomi_setup_memory()
567 dc->port[PORT_CTRL].ul_addr[CH_A] = in nozomi_setup_memory()
568 (offset += dc->config_table.ul_app2_len); in nozomi_setup_memory()
569 dc->port[PORT_CTRL].ul_size[CH_A] = in nozomi_setup_memory()
570 dc->config_table.ul_ctrl_len - buff_offset; in nozomi_setup_memory()
575 static void dump_table(const struct nozomi *dc) in dump_table() argument
577 DBG3("signature: 0x%08X", dc->config_table.signature); in dump_table()
578 DBG3("version: 0x%04X", dc->config_table.version); in dump_table()
580 dc->config_table.product_information); in dump_table()
581 DBG3("toggle enabled: %d", dc->config_table.toggle.enabled); in dump_table()
582 DBG3("toggle up_mdm: %d", dc->config_table.toggle.mdm_ul); in dump_table()
583 DBG3("toggle dl_mdm: %d", dc->config_table.toggle.mdm_dl); in dump_table()
584 DBG3("toggle dl_dbg: %d", dc->config_table.toggle.diag_dl); in dump_table()
586 DBG3("dl_start: 0x%04X", dc->config_table.dl_start); in dump_table()
587 DBG3("dl_mdm_len0: 0x%04X, %d", dc->config_table.dl_mdm_len1, in dump_table()
588 dc->config_table.dl_mdm_len1); in dump_table()
589 DBG3("dl_mdm_len1: 0x%04X, %d", dc->config_table.dl_mdm_len2, in dump_table()
590 dc->config_table.dl_mdm_len2); in dump_table()
591 DBG3("dl_diag_len0: 0x%04X, %d", dc->config_table.dl_diag_len1, in dump_table()
592 dc->config_table.dl_diag_len1); in dump_table()
593 DBG3("dl_diag_len1: 0x%04X, %d", dc->config_table.dl_diag_len2, in dump_table()
594 dc->config_table.dl_diag_len2); in dump_table()
595 DBG3("dl_app1_len: 0x%04X, %d", dc->config_table.dl_app1_len, in dump_table()
596 dc->config_table.dl_app1_len); in dump_table()
597 DBG3("dl_app2_len: 0x%04X, %d", dc->config_table.dl_app2_len, in dump_table()
598 dc->config_table.dl_app2_len); in dump_table()
599 DBG3("dl_ctrl_len: 0x%04X, %d", dc->config_table.dl_ctrl_len, in dump_table()
600 dc->config_table.dl_ctrl_len); in dump_table()
601 DBG3("ul_start: 0x%04X, %d", dc->config_table.ul_start, in dump_table()
602 dc->config_table.ul_start); in dump_table()
603 DBG3("ul_mdm_len[0]: 0x%04X, %d", dc->config_table.ul_mdm_len1, in dump_table()
604 dc->config_table.ul_mdm_len1); in dump_table()
605 DBG3("ul_mdm_len[1]: 0x%04X, %d", dc->config_table.ul_mdm_len2, in dump_table()
606 dc->config_table.ul_mdm_len2); in dump_table()
607 DBG3("ul_diag_len: 0x%04X, %d", dc->config_table.ul_diag_len, in dump_table()
608 dc->config_table.ul_diag_len); in dump_table()
609 DBG3("ul_app1_len: 0x%04X, %d", dc->config_table.ul_app1_len, in dump_table()
610 dc->config_table.ul_app1_len); in dump_table()
611 DBG3("ul_app2_len: 0x%04X, %d", dc->config_table.ul_app2_len, in dump_table()
612 dc->config_table.ul_app2_len); in dump_table()
613 DBG3("ul_ctrl_len: 0x%04X, %d", dc->config_table.ul_ctrl_len, in dump_table()
614 dc->config_table.ul_ctrl_len); in dump_table()
617 static inline void dump_table(const struct nozomi *dc) { } in dump_table() argument
624 static int nozomi_read_config_table(struct nozomi *dc) in nozomi_read_config_table() argument
626 read_mem32((u32 *) &dc->config_table, dc->base_addr + 0, in nozomi_read_config_table()
629 if (dc->config_table.signature != NOZOMI_CONFIG_MAGIC) { in nozomi_read_config_table()
630 dev_err(&dc->pdev->dev, "ConfigTable Bad! 0x%08X != 0x%08X\n", in nozomi_read_config_table()
631 dc->config_table.signature, NOZOMI_CONFIG_MAGIC); in nozomi_read_config_table()
635 if ((dc->config_table.version == 0) in nozomi_read_config_table()
636 || (dc->config_table.toggle.enabled == TOGGLE_VALID)) { in nozomi_read_config_table()
640 nozomi_setup_memory(dc); in nozomi_read_config_table()
642 dc->port[PORT_MDM].toggle_ul = dc->config_table.toggle.mdm_ul; in nozomi_read_config_table()
643 dc->port[PORT_MDM].toggle_dl = dc->config_table.toggle.mdm_dl; in nozomi_read_config_table()
644 dc->port[PORT_DIAG].toggle_dl = dc->config_table.toggle.diag_dl; in nozomi_read_config_table()
646 dc->port[PORT_MDM].toggle_ul, in nozomi_read_config_table()
647 dc->port[PORT_MDM].toggle_dl, dc->port[PORT_DIAG].toggle_dl); in nozomi_read_config_table()
649 dump_table(dc); in nozomi_read_config_table()
652 memset(&dc->port[i].ctrl_dl, 0, sizeof(struct ctrl_dl)); in nozomi_read_config_table()
653 memset(&dc->port[i].ctrl_ul, 0, sizeof(struct ctrl_ul)); in nozomi_read_config_table()
657 dc->last_ier = dc->last_ier | CTRL_DL; in nozomi_read_config_table()
658 writew(dc->last_ier, dc->reg_ier); in nozomi_read_config_table()
660 dc->state = NOZOMI_STATE_ALLOCATED; in nozomi_read_config_table()
661 dev_info(&dc->pdev->dev, "Initialization OK!\n"); in nozomi_read_config_table()
665 if ((dc->config_table.version > 0) in nozomi_read_config_table()
666 && (dc->config_table.toggle.enabled != TOGGLE_VALID)) { in nozomi_read_config_table()
670 dev_info(&dc->pdev->dev, "Version of card: %d\n", in nozomi_read_config_table()
671 dc->config_table.version); in nozomi_read_config_table()
674 nozomi_setup_memory(dc); in nozomi_read_config_table()
682 write_mem32(dc->port[PORT_MDM].ul_addr[CH_A], in nozomi_read_config_table()
684 write_mem32(dc->port[PORT_MDM].ul_addr[CH_B], in nozomi_read_config_table()
687 writew(MDM_UL | DIAG_DL | MDM_DL, dc->reg_fcr); in nozomi_read_config_table()
696 static void enable_transmit_ul(enum port_type port, struct nozomi *dc) in enable_transmit_ul() argument
701 dc->last_ier |= mask[port]; in enable_transmit_ul()
702 writew(dc->last_ier, dc->reg_ier); in enable_transmit_ul()
704 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in enable_transmit_ul()
709 static void disable_transmit_ul(enum port_type port, struct nozomi *dc) in disable_transmit_ul() argument
715 dc->last_ier &= mask[port]; in disable_transmit_ul()
716 writew(dc->last_ier, dc->reg_ier); in disable_transmit_ul()
718 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in disable_transmit_ul()
723 static void enable_transmit_dl(enum port_type port, struct nozomi *dc) in enable_transmit_dl() argument
728 dc->last_ier |= mask[port]; in enable_transmit_dl()
729 writew(dc->last_ier, dc->reg_ier); in enable_transmit_dl()
731 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in enable_transmit_dl()
736 static void disable_transmit_dl(enum port_type port, struct nozomi *dc) in disable_transmit_dl() argument
742 dc->last_ier &= mask[port]; in disable_transmit_dl()
743 writew(dc->last_ier, dc->reg_ier); in disable_transmit_dl()
745 dev_err(&dc->pdev->dev, "Called with wrong port?\n"); in disable_transmit_dl()
753 static int send_data(enum port_type index, struct nozomi *dc) in send_data() argument
756 struct port *port = &dc->port[index]; in send_data()
762 size = kfifo_out(&port->fifo_ul, dc->send_buf, in send_data()
774 write_mem32(addr + 4, (u32 *) dc->send_buf, size); in send_data()
782 static int receive_data(enum port_type index, struct nozomi *dc) in receive_data() argument
787 struct port *port = &dc->port[index]; in receive_data()
800 disable_transmit_dl(index, dc); in receive_data()
806 dev_err(&dc->pdev->dev, "size == 0?\n"); in receive_data()
828 set_bit(index, &dc->flip); in receive_data()
885 static int receive_flow_control(struct nozomi *dc) in receive_flow_control() argument
892 read_mem32((u32 *) &ctrl_dl, dc->port[PORT_CTRL].dl_addr[CH_A], 2); in receive_flow_control()
915 if (dc->state == NOZOMI_STATE_ALLOCATED) { in receive_flow_control()
920 dc->state = NOZOMI_STATE_READY; in receive_flow_control()
921 dev_info(&dc->pdev->dev, "Device READY!\n"); in receive_flow_control()
925 dev_err(&dc->pdev->dev, in receive_flow_control()
930 DBG1("0x%04X->0x%04X", *((u16 *)&dc->port[port].ctrl_dl), in receive_flow_control()
933 old_ctrl = dc->port[port].ctrl_dl; in receive_flow_control()
934 dc->port[port].ctrl_dl = ctrl_dl; in receive_flow_control()
939 disable_transmit_ul(port, dc); in receive_flow_control()
943 if (kfifo_len(&dc->port[port].fifo_ul)) { in receive_flow_control()
947 kfifo_len(&dc->port[port].fifo_ul)); in receive_flow_control()
948 enable_transmit_ul(port, dc); in receive_flow_control()
960 dc->port[port].tty_icount.cts++; in receive_flow_control()
962 dc->port[port].tty_icount.dsr++; in receive_flow_control()
964 dc->port[port].tty_icount.rng++; in receive_flow_control()
966 dc->port[port].tty_icount.dcd++; in receive_flow_control()
968 wake_up_interruptible(&dc->port[port].tty_wait); in receive_flow_control()
972 dc->port[port].tty_icount.dcd, dc->port[port].tty_icount.cts, in receive_flow_control()
973 dc->port[port].tty_icount.rng, dc->port[port].tty_icount.dsr); in receive_flow_control()
979 const struct nozomi *dc) in port2ctrl() argument
991 dev_err(&dc->pdev->dev, in port2ctrl()
1003 static int send_flow_control(struct nozomi *dc) in send_flow_control() argument
1009 if (dc->port[i].update_flow_control) { in send_flow_control()
1014 dc->port[i].ctrl_ul.port = port2ctrl(i, dc); in send_flow_control()
1015 ctrl = (u16 *)&dc->port[i].ctrl_ul; in send_flow_control()
1016 write_mem32(dc->port[PORT_CTRL].ul_addr[0], \ in send_flow_control()
1018 dc->port[i].update_flow_control = 0; in send_flow_control()
1030 static int handle_data_dl(struct nozomi *dc, enum port_type port, u8 *toggle, in handle_data_dl() argument
1034 if (receive_data(port, dc)) { in handle_data_dl()
1035 writew(mask1, dc->reg_fcr); in handle_data_dl()
1040 if (receive_data(port, dc)) { in handle_data_dl()
1041 writew(mask2, dc->reg_fcr); in handle_data_dl()
1046 if (receive_data(port, dc)) { in handle_data_dl()
1047 writew(mask2, dc->reg_fcr); in handle_data_dl()
1052 if (receive_data(port, dc)) { in handle_data_dl()
1053 writew(mask1, dc->reg_fcr); in handle_data_dl()
1058 dev_err(&dc->pdev->dev, "port out of sync!, toggle:%d\n", in handle_data_dl()
1070 static int handle_data_ul(struct nozomi *dc, enum port_type port, u16 read_iir) in handle_data_ul() argument
1072 u8 *toggle = &(dc->port[port].toggle_ul); in handle_data_ul()
1075 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1076 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1077 if (send_data(port, dc)) { in handle_data_ul()
1078 writew(MDM_UL1, dc->reg_fcr); in handle_data_ul()
1079 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1080 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1085 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1086 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1087 if (send_data(port, dc)) { in handle_data_ul()
1088 writew(MDM_UL2, dc->reg_fcr); in handle_data_ul()
1089 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1090 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1096 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1097 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1098 if (send_data(port, dc)) { in handle_data_ul()
1099 writew(MDM_UL2, dc->reg_fcr); in handle_data_ul()
1100 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1101 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1106 dc->last_ier &= ~MDM_UL; in handle_data_ul()
1107 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1108 if (send_data(port, dc)) { in handle_data_ul()
1109 writew(MDM_UL1, dc->reg_fcr); in handle_data_ul()
1110 dc->last_ier = dc->last_ier | MDM_UL; in handle_data_ul()
1111 writew(dc->last_ier, dc->reg_ier); in handle_data_ul()
1116 writew(read_iir & MDM_UL, dc->reg_fcr); in handle_data_ul()
1117 dev_err(&dc->pdev->dev, "port out of sync!\n"); in handle_data_ul()
1125 struct nozomi *dc = dev_id; in interrupt_handler() local
1129 if (!dc) in interrupt_handler()
1132 spin_lock(&dc->spin_mutex); in interrupt_handler()
1133 read_iir = readw(dc->reg_iir); in interrupt_handler()
1142 read_iir &= dc->last_ier; in interrupt_handler()
1149 dc->last_ier); in interrupt_handler()
1152 if (unlikely(!nozomi_read_config_table(dc))) { in interrupt_handler()
1153 dc->last_ier = 0x0; in interrupt_handler()
1154 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1155 dev_err(&dc->pdev->dev, "Could not read status from " in interrupt_handler()
1158 writew(RESET, dc->reg_fcr); in interrupt_handler()
1165 dc->last_ier &= ~CTRL_UL; in interrupt_handler()
1166 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1167 if (send_flow_control(dc)) { in interrupt_handler()
1168 writew(CTRL_UL, dc->reg_fcr); in interrupt_handler()
1169 dc->last_ier = dc->last_ier | CTRL_UL; in interrupt_handler()
1170 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1174 receive_flow_control(dc); in interrupt_handler()
1175 writew(CTRL_DL, dc->reg_fcr); in interrupt_handler()
1178 if (!handle_data_dl(dc, PORT_MDM, in interrupt_handler()
1179 &(dc->port[PORT_MDM].toggle_dl), read_iir, in interrupt_handler()
1181 dev_err(&dc->pdev->dev, "MDM_DL out of sync!\n"); in interrupt_handler()
1186 if (!handle_data_ul(dc, PORT_MDM, read_iir)) { in interrupt_handler()
1187 dev_err(&dc->pdev->dev, "MDM_UL out of sync!\n"); in interrupt_handler()
1192 if (!handle_data_dl(dc, PORT_DIAG, in interrupt_handler()
1193 &(dc->port[PORT_DIAG].toggle_dl), read_iir, in interrupt_handler()
1195 dev_err(&dc->pdev->dev, "DIAG_DL out of sync!\n"); in interrupt_handler()
1200 dc->last_ier &= ~DIAG_UL; in interrupt_handler()
1201 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1202 if (send_data(PORT_DIAG, dc)) { in interrupt_handler()
1203 writew(DIAG_UL, dc->reg_fcr); in interrupt_handler()
1204 dc->last_ier = dc->last_ier | DIAG_UL; in interrupt_handler()
1205 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1209 if (receive_data(PORT_APP1, dc)) in interrupt_handler()
1210 writew(APP1_DL, dc->reg_fcr); in interrupt_handler()
1213 dc->last_ier &= ~APP1_UL; in interrupt_handler()
1214 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1215 if (send_data(PORT_APP1, dc)) { in interrupt_handler()
1216 writew(APP1_UL, dc->reg_fcr); in interrupt_handler()
1217 dc->last_ier = dc->last_ier | APP1_UL; in interrupt_handler()
1218 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1222 if (receive_data(PORT_APP2, dc)) in interrupt_handler()
1223 writew(APP2_DL, dc->reg_fcr); in interrupt_handler()
1226 dc->last_ier &= ~APP2_UL; in interrupt_handler()
1227 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1228 if (send_data(PORT_APP2, dc)) { in interrupt_handler()
1229 writew(APP2_UL, dc->reg_fcr); in interrupt_handler()
1230 dc->last_ier = dc->last_ier | APP2_UL; in interrupt_handler()
1231 writew(dc->last_ier, dc->reg_ier); in interrupt_handler()
1236 spin_unlock(&dc->spin_mutex); in interrupt_handler()
1239 if (test_and_clear_bit(a, &dc->flip)) in interrupt_handler()
1240 tty_flip_buffer_push(&dc->port[a].port); in interrupt_handler()
1244 spin_unlock(&dc->spin_mutex); in interrupt_handler()
1248 static void nozomi_get_card_type(struct nozomi *dc) in nozomi_get_card_type() argument
1254 size += pci_resource_len(dc->pdev, i); in nozomi_get_card_type()
1257 dc->card_type = size == 2048 ? F32_2 : F32_8; in nozomi_get_card_type()
1259 dev_info(&dc->pdev->dev, "Card type is: %d\n", dc->card_type); in nozomi_get_card_type()
1262 static void nozomi_setup_private_data(struct nozomi *dc) in nozomi_setup_private_data() argument
1264 void __iomem *offset = dc->base_addr + dc->card_type / 2; in nozomi_setup_private_data()
1267 dc->reg_fcr = (void __iomem *)(offset + R_FCR); in nozomi_setup_private_data()
1268 dc->reg_iir = (void __iomem *)(offset + R_IIR); in nozomi_setup_private_data()
1269 dc->reg_ier = (void __iomem *)(offset + R_IER); in nozomi_setup_private_data()
1270 dc->last_ier = 0; in nozomi_setup_private_data()
1271 dc->flip = 0; in nozomi_setup_private_data()
1273 dc->port[PORT_MDM].token_dl = MDM_DL; in nozomi_setup_private_data()
1274 dc->port[PORT_DIAG].token_dl = DIAG_DL; in nozomi_setup_private_data()
1275 dc->port[PORT_APP1].token_dl = APP1_DL; in nozomi_setup_private_data()
1276 dc->port[PORT_APP2].token_dl = APP2_DL; in nozomi_setup_private_data()
1279 init_waitqueue_head(&dc->port[i].tty_wait); in nozomi_setup_private_data()
1285 const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); in card_type_show() local
1287 return sprintf(buf, "%d\n", dc->card_type); in card_type_show()
1294 const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); in open_ttys_show() local
1296 return sprintf(buf, "%u\n", dc->open_ttys); in open_ttys_show()
1300 static void make_sysfs_files(struct nozomi *dc) in make_sysfs_files() argument
1302 if (device_create_file(&dc->pdev->dev, &dev_attr_card_type)) in make_sysfs_files()
1303 dev_err(&dc->pdev->dev, in make_sysfs_files()
1305 if (device_create_file(&dc->pdev->dev, &dev_attr_open_ttys)) in make_sysfs_files()
1306 dev_err(&dc->pdev->dev, in make_sysfs_files()
1310 static void remove_sysfs_files(struct nozomi *dc) in remove_sysfs_files() argument
1312 device_remove_file(&dc->pdev->dev, &dev_attr_card_type); in remove_sysfs_files()
1313 device_remove_file(&dc->pdev->dev, &dev_attr_open_ttys); in remove_sysfs_files()
1322 struct nozomi *dc = NULL; in nozomi_card_init() local
1338 dc = kzalloc(sizeof(struct nozomi), GFP_KERNEL); in nozomi_card_init()
1339 if (unlikely(!dc)) { in nozomi_card_init()
1345 dc->pdev = pdev; in nozomi_card_init()
1347 ret = pci_enable_device(dc->pdev); in nozomi_card_init()
1353 ret = pci_request_regions(dc->pdev, NOZOMI_NAME); in nozomi_card_init()
1360 start = pci_resource_start(dc->pdev, 0); in nozomi_card_init()
1368 nozomi_get_card_type(dc); in nozomi_card_init()
1370 dc->base_addr = ioremap_nocache(start, dc->card_type); in nozomi_card_init()
1371 if (!dc->base_addr) { in nozomi_card_init()
1377 dc->send_buf = kmalloc(SEND_BUF_MAX, GFP_KERNEL); in nozomi_card_init()
1378 if (!dc->send_buf) { in nozomi_card_init()
1385 if (kfifo_alloc(&dc->port[i].fifo_ul, FIFO_BUFFER_SIZE_UL, in nozomi_card_init()
1394 spin_lock_init(&dc->spin_mutex); in nozomi_card_init()
1396 nozomi_setup_private_data(dc); in nozomi_card_init()
1399 dc->last_ier = 0; in nozomi_card_init()
1400 writew(dc->last_ier, dc->reg_ier); in nozomi_card_init()
1403 NOZOMI_NAME, dc); in nozomi_card_init()
1409 DBG1("base_addr: %p", dc->base_addr); in nozomi_card_init()
1411 make_sysfs_files(dc); in nozomi_card_init()
1413 dc->index_start = ndev_idx * MAX_PORT; in nozomi_card_init()
1414 ndevs[ndev_idx] = dc; in nozomi_card_init()
1416 pci_set_drvdata(pdev, dc); in nozomi_card_init()
1419 dc->last_ier = RESET; in nozomi_card_init()
1420 iowrite16(dc->last_ier, dc->reg_ier); in nozomi_card_init()
1422 dc->state = NOZOMI_STATE_ENABLED; in nozomi_card_init()
1426 struct port *port = &dc->port[i]; in nozomi_card_init()
1427 port->dc = dc; in nozomi_card_init()
1431 dc->index_start + i, &pdev->dev); in nozomi_card_init()
1445 tty_unregister_device(ntty_driver, dc->index_start + i); in nozomi_card_init()
1446 tty_port_destroy(&dc->port[i].port); in nozomi_card_init()
1450 kfifo_free(&dc->port[i].fifo_ul); in nozomi_card_init()
1452 kfree(dc->send_buf); in nozomi_card_init()
1453 iounmap(dc->base_addr); in nozomi_card_init()
1459 kfree(dc); in nozomi_card_init()
1464 static void tty_exit(struct nozomi *dc) in tty_exit() argument
1471 tty_port_tty_hangup(&dc->port[i].port, false); in tty_exit()
1475 while (dc->open_ttys) in tty_exit()
1478 tty_unregister_device(ntty_driver, dc->index_start + i); in tty_exit()
1479 tty_port_destroy(&dc->port[i].port); in tty_exit()
1488 struct nozomi *dc = pci_get_drvdata(pdev); in nozomi_card_exit() local
1491 dc->last_ier = 0; in nozomi_card_exit()
1492 writew(dc->last_ier, dc->reg_ier); in nozomi_card_exit()
1494 tty_exit(dc); in nozomi_card_exit()
1505 write_mem32(dc->port[PORT_CTRL].ul_addr[0], (u32 *)&ctrl, 2); in nozomi_card_exit()
1506 writew(CTRL_UL, dc->reg_fcr); /* push the token to the card. */ in nozomi_card_exit()
1508 remove_sysfs_files(dc); in nozomi_card_exit()
1510 free_irq(pdev->irq, dc); in nozomi_card_exit()
1513 kfifo_free(&dc->port[i].fifo_ul); in nozomi_card_exit()
1515 kfree(dc->send_buf); in nozomi_card_exit()
1517 iounmap(dc->base_addr); in nozomi_card_exit()
1523 ndevs[dc->index_start / MAX_PORT] = NULL; in nozomi_card_exit()
1525 kfree(dc); in nozomi_card_exit()
1557 struct nozomi *dc = get_dc_by_tty(tty); in ntty_install() local
1559 if (!port || !dc || dc->state != NOZOMI_STATE_READY) in ntty_install()
1575 struct nozomi *dc = port->dc; in ntty_activate() local
1579 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_activate()
1580 dc->last_ier = dc->last_ier | port->token_dl; in ntty_activate()
1581 writew(dc->last_ier, dc->reg_ier); in ntty_activate()
1582 dc->open_ttys++; in ntty_activate()
1583 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_activate()
1597 struct nozomi *dc = port->dc; in ntty_shutdown() local
1601 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_shutdown()
1602 dc->last_ier &= ~(port->token_dl); in ntty_shutdown()
1603 writew(dc->last_ier, dc->reg_ier); in ntty_shutdown()
1604 dc->open_ttys--; in ntty_shutdown()
1605 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_shutdown()
1630 struct nozomi *dc = get_dc_by_tty(tty); in ntty_write() local
1636 if (!dc || !port) in ntty_write()
1641 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_write()
1643 if (port == &(dc->port[PORT_MDM])) { in ntty_write()
1646 enable_transmit_ul(tty->index % MAX_PORT, dc); in ntty_write()
1648 dev_err(&dc->pdev->dev, in ntty_write()
1652 enable_transmit_ul(tty->index % MAX_PORT, dc); in ntty_write()
1654 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_write()
1672 const struct nozomi *dc = get_dc_by_tty(tty); in ntty_write_room() local
1674 if (dc) in ntty_write_room()
1701 struct nozomi *dc = get_dc_by_tty(tty); in ntty_tiocmset() local
1704 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_tiocmset()
1714 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_tiocmset()
1785 struct nozomi *dc = get_dc_by_tty(tty); in ntty_unthrottle() local
1789 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_unthrottle()
1790 enable_transmit_dl(tty->index % MAX_PORT, dc); in ntty_unthrottle()
1793 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_unthrottle()
1802 struct nozomi *dc = get_dc_by_tty(tty); in ntty_throttle() local
1806 spin_lock_irqsave(&dc->spin_mutex, flags); in ntty_throttle()
1808 spin_unlock_irqrestore(&dc->spin_mutex, flags); in ntty_throttle()
1815 struct nozomi *dc = get_dc_by_tty(tty); in ntty_chars_in_buffer() local
1818 if (unlikely(!dc || !port)) { in ntty_chars_in_buffer()